Premium case: CoolBrella

Premium phone case designed for polymer technology project. Casing features an inner layer of aluminum to conduct heat away from the phone, and a honeycomb structure to ensure maximum heat dissipation and prevent direct contact with the surface should the surface get too hot. A SIM card ejector holder is incorporated in the cooling matrix to provide convenience for those who travel and need to change their SIM cards. The slot holding the ejector was designed to reduce or avoid interference with phone operations.

The case weighs 51 grams and is made of polyurethane.